Stowable boarding apparatus



FIG. 1 is a front view of the stowable boarding apparatus in a stowed configuration;

FIG. 2 is a rear view thereof;

FIG. 3 is a right-side view thereof;

FIG. 4 is a left-side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a front view of the stowable boarding apparatus in a deployed configuration;

FIG. 8 is a rear view thereof;

FIG. 9 is a right-side view thereof;

FIG. 10 is a left-side view thereof;

FIG. 11 is a top view thereof;

FIG. 12 is a bottom view thereof; and,

FIG. 13 is a front view thereof in an illustrative environment. 

The ornamental design for a stowable boarding appartus, as shown and described. 